Question

A 68-year-old man with chronic kidney disease presents with muscle weakness. ECG shows tall peaked T waves and widening QRS complexes. Serum potassium is 7.2 mmol/L. What is the most important immediate pharmacological treatment?

Accepted Answer

IV calcium gluconate

Answer

IV insulin and dextrose

Answer

Oral sodium polystyrene sulfonate

Answer

Oral beta agonist

Answer

IV frusemide only

Practice question

A 68-year-old man with chronic kidney disease presents with muscle weakness. ECG shows tall peaked T waves and widening QRS complexes. Serum potassium is 7.2 mmol/L. What is the most important immediate pharmacological treatment?